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Chapbook vs GramBook

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Chapbook compared with GramBook
DetailChapbook logo ChapbookGramBook logo GramBook
What it doesTurn a one-paragraph brief into a typeset nonfiction book with AI-generated chapters, guided editing, and publication-ready files Translate one thought into ten social media dialects, running locally on your phone with no account or cloud.
StageStartup Not given
FoundedNot given Not given
Based inAE US
Pricing modelFreemium Freemium
PricingFree plan: 60 promotional Book Credits once, no card required. Creator plan: $29/month with 350 Book Credits. Author plan: $49/month with 850 Book Credits. Studio plan: $99/month with 2,200 Book Credits. Top-up packs: Small $12 for 100 credits, Medium $49 for 500 credits, Large $119 for 1,500 credit Free: 1 rewrite per day. GramBook Unlimited: $1.99 a week or $42 a year.
Key features
  • AI-generated chapter outlines with user approval
  • Generate up to 40,000 words of AI-drafted chapters
  • Rewrite, expand or shorten individual passages
  • Add up to 10 sources as PDFs, text or web pages
  • Fact-checking read-through that flags unsupported claims
  • Public book pages with reader email capture
  • AI cover generation from book brief
  • Runs entirely on device with no cloud or servers
  • Unlimited regeneration to get different versions
  • Works in airplane mode
  • Exports rewrites as customizable meme cards
  • Supports 16 languages with Apple Intelligence
What makes it different
  • Read a free sample chapter and outline before paying
  • You retain full ownership of all generated files and can publish anywhere
  • Fixed credit prices shown before each action starts
  • AI content disclosure checklist for Amazon KDP compliance
  • Keeps all text local on your device with zero cloud processing or data transmission
  • Generates platform-specific content for each social network simultaneously
  • Free tier with one daily rewrite and no account setup
  • Works offline in airplane mode without any account or subscription
Community votes00
DR (Domain Rating by Ahrefs)1 no change since last check6 no change since last check
Trust Flow (Majestic)01
Citation Flow (Majestic)1522
Referring domains (Majestic)311

6 details filled in for both companies.

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